"use strict";

exports.__esModule = true;
exports.on = on;
exports.off = off;
exports.stopPropagation = stopPropagation;
exports.preventDefault = preventDefault;
exports.supportsPassive = void 0;

var _ = require("..");

// eslint-disable-next-line import/no-mutable-exports
var supportsPassive = false;
exports.supportsPassive = supportsPassive;

if (!_.isServer) {
    try {
        var opts = {};
        Object.defineProperty(opts, 'passive', {
            // eslint-disable-next-line getter-return
            get: function get() {
                /* istanbul ignore next */
                exports.supportsPassive = supportsPassive = true;
            }
        });
        window.addEventListener('test-passive', null, opts); // eslint-disable-next-line no-empty
    } catch (e) {
    }
}

function on(target, event, handler, passive) {
    if (passive === void 0) {
        passive = false;
    }

    if (!_.isServer) {
        target.addEventListener(event, handler, supportsPassive ? {
            capture: false,
            passive: passive
        } : false);
    }
}

function off(target, event, handler) {
    if (!_.isServer) {
        target.removeEventListener(event, handler);
    }
}

function stopPropagation(event) {
    event.stopPropagation();
}

function preventDefault(event, isStopPropagation) {
    /* istanbul ignore else */
    if (typeof event.cancelable !== 'boolean' || event.cancelable) {
        event.preventDefault();
    }

    if (isStopPropagation) {
        stopPropagation(event);
    }
}